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Finding the Fourth Proportional to 35,487.97, 48,972.72 and 19,355.47

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Solution

The fourth proportional to 35,487.97, 48,972.72 and 19,355.47 is: 26,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.97 : 48,972.72 = 19,355.47 : x
  2. Step 2: Convert to fraction form
    35,487.97/48,972.72 = 19,355.47/x
  3. Step 3: Cross multiply
    35,487.97x = 48,972.72 × 19,355.47
  4. Step 4: Simplify right side
    35,487.97x = 947,890,012.78
  5. Step 5: Solve for x
    x = 947,890,012.78/35,487.97
  6. Step 6: Final answer
    x = 26,710.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.